doc.: ieee 802. 15-06-0217-00-0ban submission jacksonville, fl april 2006 olivier rousseaux, imec...
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Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 1
doc.: IEEE 802.15-06-0217-00-0ban
Submission
Project: IEEE P802.15 Working Group for Wireless Personal Area Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)Networks (WPANs)
Submission Title: BAN Usage Scenarios and ApplicationDate Submitted: April, 2006Source: Olivier Rousseaux, IMEC-NLVoice: +32 477 444 276, e-mail: [email protected]
Re: [This document is IMEC’s response to the Call For Application from the IEEE P802.15 Interest Group on BAN]
Abstract: This document presents BAN-related application and scenarios together with their corresponding functional requirements.
Notice: This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.
Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15.
Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 2
doc.: IEEE 802.15-06-0217-00-0ban
Submission
CFA
Body Area Networks
Olivier Rousseaux ([email protected]),
Bart Van Poucke, Bert Gyselinckx
IMEC-NL, IMEC vzw
Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 3
doc.: IEEE 802.15-06-0217-00-0ban
Submission
IMEC’s Human++ Vision
Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 4
doc.: IEEE 802.15-06-0217-00-0ban
Submission
Case: Ambulatory EEG Monitoring
24 EEG electrodes
Data acquisition box Personal health assistant
Data receiver plugin
Hospital: analysis
Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 5
doc.: IEEE 802.15-06-0217-00-0ban
Submission
Application Scenarios
Vital Signal Application Example Average Datarate (kbps)
EEG Sleep Analysis, epilepsy research and monitoring, damaged brain tissues localization
10 - 100
ECG Remote patient monitoring, Sporadic Heart abnormalities identification
10 - 100
EMG Physiotherapy, fall risk, early Parkinson identification, child motor skills dvpt/recovery
10 - 100
EEG Similarity index Epileptic seizure warning. 0.5
Blood Pressure Patient monitoring and automatic emergency response, sport apps
0.01 – 0.1
O2 and CO2 levels Patient monitoring and automatic emergency response, respiratory illness ident.
0.01 – 0.1
Glucose Llevels Diabetic patient monitoring, Automatic Insulin delivery
0.01 – 0.1
Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 6
doc.: IEEE 802.15-06-0217-00-0ban
Submission
Wireless autonomous microsystems as enabler for patient centric care
Reduce power & size
Increase functionality
2010
1 cm3
100 W
2002
300 cm3
140 mW
Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 7
doc.: IEEE 802.15-06-0217-00-0ban
Submission
<10kb/s
Technical Challenges
DSP&storage
Security
MAC
RFNon-EWorld
Sensor CE-ADC Processor Radio
20W 20W 40W 20W Avg.Power80 Mops 2nJ/b
Energy scavenger
100 W Avg power
Power Mgr
< 500mV CMOSAbove IC MEMS, passivesGrain size packaging Ambient
Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 8
doc.: IEEE 802.15-06-0217-00-0ban
Submission
Time step 01Time step 11Time step 21Time step 31Time step 41Time step 51Time step 61Time step 71Time step 81Time step 91Time step 101
Time step 111Time step 121Time step 131Time step 141Time step 151Time step 161Time step 171Time step 181
4cm
120cm
Wireless BAN Channel Modeling and Simulation
Clusters due to reflections from nearby scatterers
Diffraction around body
Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 9
doc.: IEEE 802.15-06-0217-00-0ban
Submission
Wireless BAN Channels Statistics
Large path loss Variations depending on scenario (60dB)Large fading figures (30 dB)
Jacksonville, FL April 2006
Olivier Rousseaux, IMEC NLSlide 10
doc.: IEEE 802.15-06-0217-00-0ban
Submission
BAN – Specific Standard (PHY – MAC - Networking) Specs
• Ultra Low Power: 20 µW average, ~1 nj/bit
• Variable Data Rate: 0.01 – 100 kbps / device
• Variable Channel Conditions: 40 – 100 dB path Loss
• Asymmetric Communication: Sensor to Center Node
• Integration Friendly: Small form factor, full CMOS solution
• Low cost Radio: 1$/device
• Dedicated MAC and Networking layers:• Lightweight• Differentiated network nodes• Multi-hop schemes (cooperative relaying, repeaters in the network)